US3954631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spin finish for textured carpet yarn
Assignee: Honeywell International Inc
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Filing: 1974-08-09
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Granted: 1976-05-04
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Expires: 1994-08-09
Abstract
Abstract A spin finish composition for nylon feeder yarn to be processed at high temperature into carpet yarn, such as by steam jet texturing, comprising tridecyl stearate with a specific emulsifier and an antistatic agent results in improved processing and better quality yarn, and yarn packages.
Inventors
- 👤 Robert Moore Marshall
- 👤 John Irving Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:50
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/53; D06M13/00; D06M13/10; D06M13/224; D06M7/00; D06M2200/00; D06M2200/40
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
87 words
A spin finish for polyamide yarn to be processed at high temperature, said finish being an oil in water emulsion of about 4 to 20 percent by weight of said oil portion, said oil portion consisting essentially of a. tridecyl stearate in an amount of from about 40 to 60 percent by weight, b. polyethylene glycol (10) oleate in an amount of from about 20 to 30 percent by weight, and c. sulfonated petroleum product in an amount of from about 20 to 30 percent by weight.
Claim 2
Dependent Claim
87 words
A spin finish for polyamide yarn to be processed at high temperature, said finish being an oil in water emulsion of about 4 to 20 percent by weight of said oil portion, said oil portion consisting essentially of a. tridecyl stearate in an amount of from about 40 to 60 percent by weight, b. polyethylene glycol (10) oleate in an amount of from about 20 to 30 percent by weight, and c. sulfonated petroleum product in an amount of from about 20 to 30 percent by weight.
Claim 3
Dependent Claim
92 words
A spin finish for polyamide yarn to be processed at high temperature, said finish being an oil in water emulsion of about 4 to 20 percent by weight of said oil portion, said oil portion consisting essentially of a. tridecyl stearate in an amount of from about 40 to 60 percent by weight, b. corn oil glyceride ethoxylated with 10 mols ethylene oxide in an amount of from about 20 to 30 percent by weight, and c. sulfated glycerol trioleate in an amount of from about 20 to 30 percent by weight.
Claim 4
Dependent Claim
92 words
A spin finish for polyamide yarn to be processed at high temperature, said finish being an oil in water emulsion of about 4 to 20 percent by weight of said oil portion, said oil portion consisting essentially of a. tridecyl stearate in an amount of from about 40 to 60 percent by weight, b. corn oil glyceride ethoxylated with 10 mols ethylene oxide in an amount of from about 20 to 30 percent by weight, and c. sulfated glycerol trioleate in an amount of from about 20 to 30 percent by weight.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-04 | 1979-11-03 | 1980-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-04 | 1983-11-03 | 1984-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-04 | 1987-11-03 | 1988-05-04 | $7700.00 | Window Closed / Lapsed |